refactor functions naming for pallet-membership

pallets/membership/src/lib.rs

@@ -424,7 +424,7 @@ pub mod pallet {
         }
 
         /// check if identity is member
-        pub(super) fn is_member_inner(idty_id: &T::IdtyId) -> bool {
+        pub(super) fn do_is_member(idty_id: &T::IdtyId) -> bool {
             Membership::<T, I>::contains_key(idty_id)
         }
     }
@@ -440,7 +440,7 @@ impl<T: Config<I>, I: 'static> IsInPendingMemberships<T::IdtyId> for Pallet<T, I
 
 impl<T: Config<I>, I: 'static> sp_runtime::traits::IsMember<T::IdtyId> for Pallet<T, I> {
     fn is_member(idty_id: &T::IdtyId) -> bool {
-        Self::is_member_inner(idty_id)
+        Self::do_is_member(idty_id)
     }
 }